diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2013-03-01 13:59:19 +0100 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 18:13:12 +0200 |
commit | 49ab747f668f421138d5b40d83fa279c4c5e278d (patch) | |
tree | 943225a04eac885aed038731adf058f2250a2f40 /hw/cuda.c | |
parent | ce3b494cb504f96992f2d37ebc8f56deed202b06 (diff) |
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving
them to subdirectories of hw/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/cuda.c')
-rw-r--r-- | hw/cuda.c | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/hw/cuda.c b/hw/cuda.c deleted file mode 100644 index f797796a36..0000000000 --- a/hw/cuda.c +++ /dev/null @@ -1,740 +0,0 @@ -/* - * QEMU PowerMac CUDA device support - * - * Copyright (c) 2004-2007 Fabrice Bellard - * Copyright (c) 2007 Jocelyn Mayer - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "hw/hw.h" -#include "hw/ppc/mac.h" -#include "hw/input/adb.h" -#include "qemu/timer.h" -#include "sysemu/sysemu.h" - -/* XXX: implement all timer modes */ - -/* debug CUDA */ -//#define DEBUG_CUDA - -/* debug CUDA packets */ -//#define DEBUG_CUDA_PACKET - -#ifdef DEBUG_CUDA -#define CUDA_DPRINTF(fmt, ...) \ - do { printf("CUDA: " fmt , ## __VA_ARGS__); } while (0) -#else -#define CUDA_DPRINTF(fmt, ...) -#endif - -/* Bits in B data register: all active low */ -#define TREQ 0x08 /* Transfer request (input) */ -#define TACK 0x10 /* Transfer acknowledge (output) */ -#define TIP 0x20 /* Transfer in progress (output) */ - -/* Bits in ACR */ -#define SR_CTRL 0x1c /* Shift register control bits */ -#define SR_EXT 0x0c /* Shift on external clock */ -#define SR_OUT 0x10 /* Shift out if 1 */ - -/* Bits in IFR and IER */ -#define IER_SET 0x80 /* set bits in IER */ -#define IER_CLR 0 /* clear bits in IER */ -#define SR_INT 0x04 /* Shift register full/empty */ -#define T1_INT 0x40 /* Timer 1 interrupt */ -#define T2_INT 0x20 /* Timer 2 interrupt */ - -/* Bits in ACR */ -#define T1MODE 0xc0 /* Timer 1 mode */ -#define T1MODE_CONT 0x40 /* continuous interrupts */ - -/* commands (1st byte) */ -#define ADB_PACKET 0 -#define CUDA_PACKET 1 -#define ERROR_PACKET 2 -#define TIMER_PACKET 3 -#define POWER_PACKET 4 -#define MACIIC_PACKET 5 -#define PMU_PACKET 6 - - -/* CUDA commands (2nd byte) */ -#define CUDA_WARM_START 0x0 -#define CUDA_AUTOPOLL 0x1 -#define CUDA_GET_6805_ADDR 0x2 -#define CUDA_GET_TIME 0x3 -#define CUDA_GET_PRAM 0x7 -#define CUDA_SET_6805_ADDR 0x8 -#define CUDA_SET_TIME 0x9 -#define CUDA_POWERDOWN 0xa -#define CUDA_POWERUP_TIME 0xb -#define CUDA_SET_PRAM 0xc -#define CUDA_MS_RESET 0xd -#define CUDA_SEND_DFAC 0xe -#define CUDA_BATTERY_SWAP_SENSE 0x10 -#define CUDA_RESET_SYSTEM 0x11 -#define CUDA_SET_IPL 0x12 -#define CUDA_FILE_SERVER_FLAG 0x13 -#define CUDA_SET_AUTO_RATE 0x14 -#define CUDA_GET_AUTO_RATE 0x16 -#define CUDA_SET_DEVICE_LIST 0x19 -#define CUDA_GET_DEVICE_LIST 0x1a -#define CUDA_SET_ONE_SECOND_MODE 0x1b -#define CUDA_SET_POWER_MESSAGES 0x21 -#define CUDA_GET_SET_IIC 0x22 -#define CUDA_WAKEUP 0x23 -#define CUDA_TIMER_TICKLE 0x24 -#define CUDA_COMBINED_FORMAT_IIC 0x25 - -#define CUDA_TIMER_FREQ (4700000 / 6) -#define CUDA_ADB_POLL_FREQ 50 - -/* CUDA returns time_t's offset from Jan 1, 1904, not 1970 */ -#define RTC_OFFSET 2082844800 - -static void cuda_update(CUDAState *s); -static void cuda_receive_packet_from_host(CUDAState *s, - const uint8_t *data, int len); -static void cuda_timer_update(CUDAState *s, CUDATimer *ti, - int64_t current_time); - -static void cuda_update_irq(CUDAState *s) -{ - if (s->ifr & s->ier & (SR_INT | T1_INT)) { - qemu_irq_raise(s->irq); - } else { - qemu_irq_lower(s->irq); - } -} - -static unsigned int get_counter(CUDATimer *s) -{ - int64_t d; - unsigned int counter; - - d = muldiv64(qemu_get_clock_ns(vm_clock) - s->load_time, - CUDA_TIMER_FREQ, get_ticks_per_sec()); - if (s->index == 0) { - /* the timer goes down from latch to -1 (period of latch + 2) */ - if (d <= (s->counter_value + 1)) { - counter = (s->counter_value - d) & 0xffff; - } else { - counter = (d - (s->counter_value + 1)) % (s->latch + 2); - counter = (s->latch - counter) & 0xffff; - } - } else { - counter = (s->counter_value - d) & 0xffff; - } - return counter; -} - -static void set_counter(CUDAState *s, CUDATimer *ti, unsigned int val) -{ - CUDA_DPRINTF("T%d.counter=%d\n", 1 + (ti->timer == NULL), val); - ti->load_time = qemu_get_clock_ns(vm_clock); - ti->counter_value = val; - cuda_timer_update(s, ti, ti->load_time); -} - -static int64_t get_next_irq_time(CUDATimer *s, int64_t current_time) -{ - int64_t d, next_time; - unsigned int counter; - - /* current counter value */ - d = muldiv64(current_time - s->load_time, - CUDA_TIMER_FREQ, get_ticks_per_sec()); - /* the timer goes down from latch to -1 (period of latch + 2) */ - if (d <= (s->counter_value + 1)) { - counter = (s->counter_value - d) & 0xffff; - } else { - counter = (d - (s->counter_value + 1)) % (s->latch + 2); - counter = (s->latch - counter) & 0xffff; - } - - /* Note: we consider the irq is raised on 0 */ - if (counter == 0xffff) { - next_time = d + s->latch + 1; - } else if (counter == 0) { - next_time = d + s->latch + 2; - } else { - next_time = d + counter; - } - CUDA_DPRINTF("latch=%d counter=%" PRId64 " delta_next=%" PRId64 "\n", - s->latch, d, next_time - d); - next_time = muldiv64(next_time, get_ticks_per_sec(), CUDA_TIMER_FREQ) + - s->load_time; - if (next_time <= current_time) - next_time = current_time + 1; - return next_time; -} - -static void cuda_timer_update(CUDAState *s, CUDATimer *ti, - int64_t current_time) -{ - if (!ti->timer) - return; - if ((s->acr & T1MODE) != T1MODE_CONT) { - qemu_del_timer(ti->timer); - } else { - ti->next_irq_time = get_next_irq_time(ti, current_time); - qemu_mod_timer(ti->timer, ti->next_irq_time); - } -} - -static void cuda_timer1(void *opaque) -{ - CUDAState *s = opaque; - CUDATimer *ti = &s->timers[0]; - - cuda_timer_update(s, ti, ti->next_irq_time); - s->ifr |= T1_INT; - cuda_update_irq(s); -} - -static uint32_t cuda_readb(void *opaque, hwaddr addr) -{ - CUDAState *s = opaque; - uint32_t val; - - addr = (addr >> 9) & 0xf; - switch(addr) { - case 0: - val = s->b; - break; - case 1: - val = s->a; - break; - case 2: - val = s->dirb; - break; - case 3: - val = s->dira; - break; - case 4: - val = get_counter(&s->timers[0]) & 0xff; - s->ifr &= ~T1_INT; - cuda_update_irq(s); - break; - case 5: - val = get_counter(&s->timers[0]) >> 8; - cuda_update_irq(s); - break; - case 6: - val = s->timers[0].latch & 0xff; - break; - case 7: - /* XXX: check this */ - val = (s->timers[0].latch >> 8) & 0xff; - break; - case 8: - val = get_counter(&s->timers[1]) & 0xff; - s->ifr &= ~T2_INT; - break; - case 9: - val = get_counter(&s->timers[1]) >> 8; - break; - case 10: - val = s->sr; - s->ifr &= ~SR_INT; - cuda_update_irq(s); - break; - case 11: - val = s->acr; - break; - case 12: - val = s->pcr; - break; - case 13: - val = s->ifr; - if (s->ifr & s->ier) - val |= 0x80; - break; - case 14: - val = s->ier | 0x80; - break; - default: - case 15: - val = s->anh; - break; - } - if (addr != 13 || val != 0) { - CUDA_DPRINTF("read: reg=0x%x val=%02x\n", (int)addr, val); - } - - return val; -} - -static void cuda_writeb(void *opaque, hwaddr addr, uint32_t val) -{ - CUDAState *s = opaque; - - addr = (addr >> 9) & 0xf; - CUDA_DPRINTF("write: reg=0x%x val=%02x\n", (int)addr, val); - - switch(addr) { - case 0: - s->b = val; - cuda_update(s); - break; - case 1: - s->a = val; - break; - case 2: - s->dirb = val; - break; - case 3: - s->dira = val; - break; - case 4: - s->timers[0].latch = (s->timers[0].latch & 0xff00) | val; - cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock)); - break; - case 5: - s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8); - s->ifr &= ~T1_INT; - set_counter(s, &s->timers[0], s->timers[0].latch); - break; - case 6: - s->timers[0].latch = (s->timers[0].latch & 0xff00) | val; - cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock)); - break; - case 7: - s->timers[0].latch = (s->timers[0].latch & 0xff) | (val << 8); - s->ifr &= ~T1_INT; - cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock)); - break; - case 8: - s->timers[1].latch = val; - set_counter(s, &s->timers[1], val); - break; - case 9: - set_counter(s, &s->timers[1], (val << 8) | s->timers[1].latch); - break; - case 10: - s->sr = val; - break; - case 11: - s->acr = val; - cuda_timer_update(s, &s->timers[0], qemu_get_clock_ns(vm_clock)); - cuda_update(s); - break; - case 12: - s->pcr = val; - break; - case 13: - /* reset bits */ - s->ifr &= ~val; - cuda_update_irq(s); - break; - case 14: - if (val & IER_SET) { - /* set bits */ - s->ier |= val & 0x7f; - } else { - /* reset bits */ - s->ier &= ~val; - } - cuda_update_irq(s); - break; - default: - case 15: - s->anh = val; - break; - } -} - -/* NOTE: TIP and TREQ are negated */ -static void cuda_update(CUDAState *s) -{ - int packet_received, len; - - packet_received = 0; - if (!(s->b & TIP)) { - /* transfer requested from host */ - - if (s->acr & SR_OUT) { - /* data output */ - if ((s->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) { - if (s->data_out_index < sizeof(s->data_out)) { - CUDA_DPRINTF("send: %02x\n", s->sr); - s->data_out[s->data_out_index++] = s->sr; - s->ifr |= SR_INT; - cuda_update_irq(s); - } - } - } else { - if (s->data_in_index < s->data_in_size) { - /* data input */ - if ((s->b & (TACK | TIP)) != (s->last_b & (TACK | TIP))) { - s->sr = s->data_in[s->data_in_index++]; - CUDA_DPRINTF("recv: %02x\n", s->sr); - /* indicate end of transfer */ - if (s->data_in_index >= s->data_in_size) { - s->b = (s->b | TREQ); - } - s->ifr |= SR_INT; - cuda_update_irq(s); - } - } - } - } else { - /* no transfer requested: handle sync case */ - if ((s->last_b & TIP) && (s->b & TACK) != (s->last_b & TACK)) { - /* update TREQ state each time TACK change state */ - if (s->b & TACK) - s->b = (s->b | TREQ); - else - s->b = (s->b & ~TREQ); - s->ifr |= SR_INT; - cuda_update_irq(s); - } else { - if (!(s->last_b & TIP)) { - /* handle end of host to cuda transfer */ - packet_received = (s->data_out_index > 0); - /* always an IRQ at the end of transfer */ - s->ifr |= SR_INT; - cuda_update_irq(s); - } - /* signal if there is data to read */ - if (s->data_in_index < s->data_in_size) { - s->b = (s->b & ~TREQ); - } - } - } - - s->last_acr = s->acr; - s->last_b = s->b; - - /* NOTE: cuda_receive_packet_from_host() can call cuda_update() - recursively */ - if (packet_received) { - len = s->data_out_index; - s->data_out_index = 0; - cuda_receive_packet_from_host(s, s->data_out, len); - } -} - -static void cuda_send_packet_to_host(CUDAState *s, - const uint8_t *data, int len) -{ -#ifdef DEBUG_CUDA_PACKET - { - int i; - printf("cuda_send_packet_to_host:\n"); - for(i = 0; i < len; i++) - printf(" %02x", data[i]); - printf("\n"); - } -#endif - memcpy(s->data_in, data, len); - s->data_in_size = len; - s->data_in_index = 0; - cuda_update(s); - s->ifr |= SR_INT; - cuda_update_irq(s); -} - -static void cuda_adb_poll(void *opaque) -{ - CUDAState *s = opaque; - uint8_t obuf[ADB_MAX_OUT_LEN + 2]; - int olen; - - olen = adb_poll(&s->adb_bus, obuf + 2); - if (olen > 0) { - obuf[0] = ADB_PACKET; - obuf[1] = 0x40; /* polled data */ - cuda_send_packet_to_host(s, obuf, olen + 2); - } - qemu_mod_timer(s->adb_poll_timer, - qemu_get_clock_ns(vm_clock) + - (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); -} - -static void cuda_receive_packet(CUDAState *s, - const uint8_t *data, int len) -{ - uint8_t obuf[16]; - int autopoll; - uint32_t ti; - - switch(data[0]) { - case CUDA_AUTOPOLL: - autopoll = (data[1] != 0); - if (autopoll != s->autopoll) { - s->autopoll = autopoll; - if (autopoll) { - qemu_mod_timer(s->adb_poll_timer, - qemu_get_clock_ns(vm_clock) + - (get_ticks_per_sec() / CUDA_ADB_POLL_FREQ)); - } else { - qemu_del_timer(s->adb_poll_timer); - } - } - obuf[0] = CUDA_PACKET; - obuf[1] = data[1]; - cuda_send_packet_to_host(s, obuf, 2); - break; - case CUDA_SET_TIME: - ti = (((uint32_t)data[1]) << 24) + (((uint32_t)data[2]) << 16) + (((uint32_t)data[3]) << 8) + data[4]; - s->tick_offset = ti - (qemu_get_clock_ns(vm_clock) / get_ticks_per_sec()); - obuf[0] = CUDA_PACKET; - obuf[1] = 0; - obuf[2] = 0; - cuda_send_packet_to_host(s, obuf, 3); - break; - case CUDA_GET_TIME: - ti = s->tick_offset + (qemu_get_clock_ns(vm_clock) / get_ticks_per_sec()); - obuf[0] = CUDA_PACKET; - obuf[1] = 0; - obuf[2] = 0; - obuf[3] = ti >> 24; - obuf[4] = ti >> 16; - obuf[5] = ti >> 8; - obuf[6] = ti; - cuda_send_packet_to_host(s, obuf, 7); - break; - case CUDA_FILE_SERVER_FLAG: - case CUDA_SET_DEVICE_LIST: - case CUDA_SET_AUTO_RATE: - case CUDA_SET_POWER_MESSAGES: - obuf[0] = CUDA_PACKET; - obuf[1] = 0; - cuda_send_packet_to_host(s, obuf, 2); - break; - case CUDA_POWERDOWN: - obuf[0] = CUDA_PACKET; - obuf[1] = 0; - cuda_send_packet_to_host(s, obuf, 2); - qemu_system_shutdown_request(); - break; - case CUDA_RESET_SYSTEM: - obuf[0] = CUDA_PACKET; - obuf[1] = 0; - cuda_send_packet_to_host(s, obuf, 2); - qemu_system_reset_request(); - break; - default: - break; - } -} - -static void cuda_receive_packet_from_host(CUDAState *s, - const uint8_t *data, int len) -{ -#ifdef DEBUG_CUDA_PACKET - { - int i; - printf("cuda_receive_packet_from_host:\n"); - for(i = 0; i < len; i++) - printf(" %02x", data[i]); - printf("\n"); - } -#endif - switch(data[0]) { - case ADB_PACKET: - { - uint8_t obuf[ADB_MAX_OUT_LEN + 2]; - int olen; - olen = adb_request(&s->adb_bus, obuf + 2, data + 1, len - 1); - if (olen > 0) { - obuf[0] = ADB_PACKET; - obuf[1] = 0x00; - } else { - /* error */ - obuf[0] = ADB_PACKET; - obuf[1] = -olen; - olen = 0; - } - cuda_send_packet_to_host(s, obuf, olen + 2); - } - break; - case CUDA_PACKET: - cuda_receive_packet(s, data + 1, len - 1); - break; - } -} - -static void cuda_writew (void *opaque, hwaddr addr, uint32_t value) -{ -} - -static void cuda_writel (void *opaque, hwaddr addr, uint32_t value) -{ -} - -static uint32_t cuda_readw (void *opaque, hwaddr addr) -{ - return 0; -} - -static uint32_t cuda_readl (void *opaque, hwaddr addr) -{ - return 0; -} - -static const MemoryRegionOps cuda_ops = { - .old_mmio = { - .write = { - cuda_writeb, - cuda_writew, - cuda_writel, - }, - .read = { - cuda_readb, - cuda_readw, - cuda_readl, - }, - }, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static bool cuda_timer_exist(void *opaque, int version_id) -{ - CUDATimer *s = opaque; - - return s->timer != NULL; -} - -static const VMStateDescription vmstate_cuda_timer = { - .name = "cuda_timer", - .version_id = 0, - .minimum_version_id = 0, - .minimum_version_id_old = 0, - .fields = (VMStateField[]) { - VMSTATE_UINT16(latch, CUDATimer), - VMSTATE_UINT16(counter_value, CUDATimer), - VMSTATE_INT64(load_time, CUDATimer), - VMSTATE_INT64(next_irq_time, CUDATimer), - VMSTATE_TIMER_TEST(timer, CUDATimer, cuda_timer_exist), - VMSTATE_END_OF_LIST() - } -}; - -static const VMStateDescription vmstate_cuda = { - .name = "cuda", - .version_id = 1, - .minimum_version_id = 1, - .minimum_version_id_old = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT8(a, CUDAState), - VMSTATE_UINT8(b, CUDAState), - VMSTATE_UINT8(dira, CUDAState), - VMSTATE_UINT8(dirb, CUDAState), - VMSTATE_UINT8(sr, CUDAState), - VMSTATE_UINT8(acr, CUDAState), - VMSTATE_UINT8(pcr, CUDAState), - VMSTATE_UINT8(ifr, CUDAState), - VMSTATE_UINT8(ier, CUDAState), - VMSTATE_UINT8(anh, CUDAState), - VMSTATE_INT32(data_in_size, CUDAState), - VMSTATE_INT32(data_in_index, CUDAState), - VMSTATE_INT32(data_out_index, CUDAState), - VMSTATE_UINT8(autopoll, CUDAState), - VMSTATE_BUFFER(data_in, CUDAState), - VMSTATE_BUFFER(data_out, CUDAState), - VMSTATE_UINT32(tick_offset, CUDAState), - VMSTATE_STRUCT_ARRAY(timers, CUDAState, 2, 1, - vmstate_cuda_timer, CUDATimer), - VMSTATE_END_OF_LIST() - } -}; - -static void cuda_reset(DeviceState *dev) -{ - CUDAState *s = CUDA(dev); - - s->b = 0; - s->a = 0; - s->dirb = 0; - s->dira = 0; - s->sr = 0; - s->acr = 0; - s->pcr = 0; - s->ifr = 0; - s->ier = 0; - // s->ier = T1_INT | SR_INT; - s->anh = 0; - s->data_in_size = 0; - s->data_in_index = 0; - s->data_out_index = 0; - s->autopoll = 0; - - s->timers[0].latch = 0xffff; - set_counter(s, &s->timers[0], 0xffff); - - s->timers[1].latch = 0; - set_counter(s, &s->timers[1], 0xffff); -} - -static void cuda_realizefn(DeviceState *dev, Error **errp) -{ - CUDAState *s = CUDA(dev); - struct tm tm; - - s->timers[0].timer = qemu_new_timer_ns(vm_clock, cuda_timer1, s); - - qemu_get_timedate(&tm, 0); - s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET; - - s->adb_poll_timer = qemu_new_timer_ns(vm_clock, cuda_adb_poll, s); -} - -static void cuda_initfn(Object *obj) -{ - SysBusDevice *d = SYS_BUS_DEVICE(obj); - CUDAState *s = CUDA(obj); - int i; - - memory_region_init_io(&s->mem, &cuda_ops, s, "cuda", 0x2000); - sysbus_init_mmio(d, &s->mem); - sysbus_init_irq(d, &s->irq); - - for (i = 0; i < ARRAY_SIZE(s->timers); i++) { - s->timers[i].index = i; - } - - qbus_create_inplace((BusState *)&s->adb_bus, TYPE_ADB_BUS, DEVICE(obj), - "adb.0"); -} - -static void cuda_class_init(ObjectClass *oc, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(oc); - - dc->realize = cuda_realizefn; - dc->reset = cuda_reset; - dc->vmsd = &vmstate_cuda; -} - -static const TypeInfo cuda_type_info = { - .name = TYPE_CUDA, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(CUDAState), - .instance_init = cuda_initfn, - .class_init = cuda_class_init, -}; - -static void cuda_register_types(void) -{ - type_register_static(&cuda_type_info); -} - -type_init(cuda_register_types) |